Science: Great Balls of Fire

The U.S. Southwest, land of rockets, atom bombs and flying saucers, had
another sensation last week: green fireballs streaking across the sky,
behaving like nothing ever seen by earthlings before. In 13 days, eight
brilliant objects dazzled Southwesterners. According to Dr. Lincoln
LaPaz, head of the Institute of Meteoritics at the University of New
Mexico (TIME, Nov. 12), a fall of nine bright meteorites in a year over
a comparable area would be considered exceptional. "I just don't know
what to make of it," said Dr. LaPaz. "I am almost inclined to ask those...